. >>> a new mexico teacher is on leave today, after allegedly dragging a 6-year-old student down a hallway. the teacher claims the boy was being uncooperative, and she was not trying to hurt him. police did not identify the teacher because she has not been criminally charged. and the child's family is noz not pressing charges. >>> a hiker hangs on for dear life, after being stranded on a cliff in california. the 25-year-old college student was hanging on for dear life, after hanging onto vegetation for nearly an hour. she said she was on a routine hike when she ended up on an unfamiliar trail. she said the path began to crumble under her feet. she screamed and a friend called for help. >>> well, earth has been called a blue marble, ever since that famous picture was snapped by famous astronauts standing on the moon. alex demetrick reports, new imagery from nasa has now given our home a new nickname. the black marble. >> reporter: up until now, the best views from earth took days to see. not anymore. the first of a new generation of satellites in a partnership by nasa and noaa are seeing be